One problem related to emission control has been reported for the 1997 Chevrolet Astro. The most recently reported issues are listed below.
While driving 70 mph vehicle commenced to lose speed. Vehicle would not accelerate more then 20-25 mph. Consumer was able to drive the vehicle to the dealer, who informed consumer that the oxygen sensor/ egr valve, and the catalytic converter malfunctioned. The consumer stated that the oxygen sensor/ egr valve, and the catalytic converter melted down. The engine light was on.